Crossword Corner

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Across
  1. 3. _______ Matter concentration is measured to check air quality
  2. 6. Causes of air pollution - _________ Activities
  3. 7. Air pollution irritates eyes, throat and _____ among others
  4. 8. Causes of air pollution - ________ Effluents
  5. 10. Causes of air pollution - Forest _____
Down
  1. 1. Release of Sulfur and Nitrogen oxides cause ____ rain
  2. 2. Clean Air Act is the US primary federal air quality ___ regarding air pollution
  3. 4. Causes of air pollution - ______ Fuels
  4. 5. Causes of air pollution - _______ Burning
  5. 9. People monitor air quality through this index